MEAN WELL MDR Switched Mode DIN Rail Power Supply, 85 → 264V ac ac Input, 48V dc dc Output, 830mA Output, 40W

RS Stock No.:: 428-451
Distrelec Article No.:: 169-76-145
Mfr. Part No.:: MDR-40-48
Manufacturer:: MEAN WELL

MEAN WELL MDR Switched Mode DIN Rail Power Supply, 85 → 264V ac ac Input, 48V dc dc Output, 830mA Output, 40W

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RS Stock No.:: 428-451
Distrelec Article No.:: 169-76-145
Mfr. Part No.:: MDR-40-48
Manufacturer:: MEAN WELL

Mean Well MDR Series Single Output DIN Rail Power Supply

A range of ultra slim single output DIN Rail power supplies with short circuit, overload and over voltage protection. These PSUs can be installed on DIN Rail TS-35/7.5 or 15 and offer cooling by free air convection.

Features and Benefits

Universal AC input/Full range

Protections: Short circuit/Overload/Over voltage

Cooling by free air convection

Can be installed on DIN Rail TS-35/7.5 or 15

DC OK relay contact

LED indicator for power-on

No load power consumption <0.75 W

100% full load burn-in test

3 years warranty

Class 1, Div 2 hazardous locations T4

Why use a DIN Rail Power Supply?

The flexibility of DIN Rail mounting systems enables quicker installation time as all devices are able to simply snap onto the metal rails. Power supplies can be easily organised on DIN Rails within enclosed wall boxes or in areas where there is limited space. Similar devices can be mounted next to each other reducing the amount of cabling required. Most power supplies are convection cooled so no cooling fans are needed.
DIN Rail AC/DC power supplies are widely used in many automation, instrumentation and industrial applications. They are used to power a wide variety of DC operated devices including sensors, motors, actuators, solenoids and relays.

Points to Consider When Buying a DIN Rail Power Supply

DIN Rail size– There are three common types of DIN Rails. Top Hat, G section and C section. Most have a depth of 7.5 mm or 15 mm. It is wise to check that your power supply is compatible with your DIN Rail.

Protection Types – It is important to choose a power supply that is protected against either short circuit, overload, over temperature or over voltage. Some power supplies also offer a hiccup mode which will allow the PSU to resume operation once the fault is cleared.

Fixed or adjustable output voltage or current – In test systems it is often convenient to have adjustable DC voltage however in other applications a fixed DC supply may be essential.

Cabling and wiring – The input/output lines to and from the power supply should be as short as possible with a large cross sectional area to help minimise noise and heat.

Efficiency – Choose a power supply that has an efficiency over 89% to minimise the amount of power dissipation, especially if the system relies on convection cooling.

Input voltage range – If the DIN Rail power supply you are buying is to be used in Europe and North America as well as the UK then a universal AC input range of 80 V ac to 264 V ac is required.

Standards – If the power supply is to be used in the USA for controlling electric motors then it will need to comply with Standard UL508, the safety standard for industrial control equipment.

Standards

UL508, UL60950-1, TUV EN60950-1, Class I, Div. 2 Group A, B, C, D Hazardous Locations T4, EAC TP TC 004, BSMI CNS14336-1 approved

Attribute	Value
Series	MDR
Type	Switched Mode
Electrical Phase	1
AC or DC Input Voltage	ac
Number of Outputs	1
Input Voltage	85 → 264V ac
AC or DC Output Voltage	dc
Output Voltage	48V dc
Output Current	830mA
Power Rating	40W
Dimensions	100 x 40 x 90mm
Width	40mm
Height	100mm
Depth	90mm
Minimum Temperature	-20°C
Hazardous Area Certification	B, C, Class I Division 2 Group A, D Hazardous Location T4
Maximum Temperature	+70°C
Standards Met	RoHS Compliant, TUV EN 60950-1, UL 508
Mounting Type	DIN Rail Mount
Ripple And Noise	200mV Pk-Pk
Output Voltage Adjustment Range	48 → 56V
MTBF	301.7kh
Load Regulation	±1%
Special Features	Overvoltage and Short Circuit Protection